X + y + z = 2 4X + 2y + z = 4 9X + 3y + z = 8
Matematika
Rismadwidamayanti25
Pertanyaan
X + y + z = 2
4X + 2y + z = 4
9X + 3y + z = 8
4X + 2y + z = 4
9X + 3y + z = 8
1 Jawaban
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1. Jawaban stitchicantik
x + y + z = 2
x = 2 - y - z
x = 2 - y - z, y€R, z€R
4X + 2y + z = 4
4x = 4 - 2y - z
x = 1 - 2/4 y - z : 4
x = 1- 1/4 y - z/4
x = 1- 1/4 y - z/4, y€R, z€R
9X + 3y + z = 8
9x = 8 - 3y - z
x = 8/9 - 3/9 y - z : 9
x = 8/9 - 1/3 y - z/9
x = 8/9 - 1/3 y - z/9, y€R, z€R